Steel and fiber tapes are used for long external dimensions. (T)
2.A folding rule is used for repeated measurements.
3.Electronic distance measurement devices are good for external dimensions.
4.A moisture meter is used to check the moisture content of timber and walls above and below the damp proof course.
5.Digital imaging has become nearly obsolete.
6.A digital camera is useless for conducting measured surveys.
7.Binoculars are especially useful for high-rise buildings.
8.A boroscope mustn’t be withdrawn from the hole, once the inspection has been carried out.
9.A longer level is not good for measuring vertical walls.
10.Modern surveying equipment uses global positioning equipment for measurements.
Exercise 3. Read the text again and complete the sentences:
1. Steel and fiber tapes operate with…..
2. A folding rule can be used for…..
3. The speed of light of a laser is…..
4. A moisture meter uses two…..
5. A digital camera enables…..
6. When using a boroscope, a hole must be…..
7. A thermal camera will be required for…..
8. A spirit level is available in…..
9. An optical level is used….. 10.Theodolites can be used…..
Exercise 4. Answer the questions:
1. What tape is more accurate?
2. How is a folding rule constructed and graduated?
3. Why are electronic distance measurement devices better than tapes or rules?
4. What is a moisture meter used for?
5. Why are the binoculars so useful?
6. Why is it needed to add a camera to a boroscope?
7. Is it possible to use thermal imaging equipment by everybody?
8. Why should one take care when measuring vertical walls?
9. What equipment is used to monitor if the building is continuing to settle? 10.What equipment is used to survey large areas of land and buildings?
Exercise 5. Read the text about a theodolite:
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